Warp rebeaming machine unwinding device with tension adjusting device and using method of warp rebeaming machine unwinding device

Abstract

The invention discloses a warp rebeaming machine unwinding device with a tension adjusting device and a using method thereof.The warp rebeaming machine unwinding device comprises a creel, a warp fixing frame is fixedly installed on the creel, a warp beam is rotatably installed on the warp fixing frame, a yarn guide arrangement plate is fixedly installed on the creel, a winding shaft is rotatably installed on the creel, and a tension adjusting device is installed on the winding shaft. A tension balancing mechanism located between the yarn guide row plate and the winding shaft is installed on the creel, a winding motor is fixedly installed on the creel, and an output shaft of the winding motor is fixedly connected with the winding shaft. According to the warp yarn rebeaming device, when the tension of the inlet yarn changes due to factors such as environment or warp yarn, the supporting capacity of the dynamic tension wheel is adjusted in real time, the tension of the warp yarn is kept constant, and the problem that the tension of the yarn is unstable, so that the tension of the warp yarn is not uniform after rebeaming is solved; the reaction to tension change is more sensitive and reliable, and the winding quality after warp rebeaming is balanced and stable.

Description

Technical Field

[0001] The present invention relates to the technical field of textiles, and more specifically, to a beam warping and unwinding device with a tension adjusting device and its usage method. Background Art

[0002] A beam warping machine is a device used in the beam warping process, which consists of a beam rack and a machine head. The pneumatic warp tension control device on the beam rack can automatically keep the unwinding tension of the warp on each beam constant and uniform. The winding mechanism of the machine head winds the warp at a constant speed and constant tension, and at the same time applies a winding pressure to the fabric beam through a pressure roller in a pneumatic manner. Some beam warping machines are also provided with a dividing foil between the machine head and the beam rack for dividing the warp.

[0003] The beam warping quality of the warp is directly affected by the warp tension factor during the beam warping process. The yarn tension is loose and tight, resulting in uneven tightness of the warp after beam warping, and problems such as yarn breakage and cloud weaving on the fabric surface are likely to occur during weaving. Traditional spring or weight tensioners cannot quickly respond to speed changes; when multiple warp beams are combined, the tension difference between each beam exceeds ±5%, affecting the uniformity of beam warping; and the instability of the tension is likely to cause the yarn tension to be high and low during unwinding. When the yarn breaking strength is exceeded, yarn breakage occurs; the adjacent yarns have different tightness due to the tension difference, and the loose yarns deviate from the yarn guiding path and cause entanglement. Summary of the Invention

[0004] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a beam warping and unwinding device with a tension adjusting device and its usage method to solve the problems in the background art.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions;

[0006] A beam warping and unwinding device with a tension adjusting device includes a yarn rack, on which a warp fixing rack is fixedly installed, a warp beam is rotatably installed on the warp fixing rack, a yarn guiding row plate is fixedly installed on the yarn rack, a winding shaft is rotatably installed on the yarn rack, a tension balancing mechanism is installed on the yarn rack between the yarn guiding row plate and the winding shaft, a winding motor is fixedly installed on the yarn rack, and the output shaft of the winding motor is fixedly connected to the winding shaft;

[0007] The tension balancing mechanism consists of a fixed tension wheel and a moving tensioner. The moving tensioner includes an electric lifting platform. A sleeve is fixedly installed at the top of the electric lifting platform. A lifting slider is slidably installed inside the sleeve. A bracket extending outside the sleeve is fixedly installed at the top of the lifting slider. A moving tension wheel is rotatably installed on the bracket. A pressure sensor is fixedly installed on the inner bottom wall of the sleeve. A rubidium magnet is fixedly installed at the bottom of the lifting slider. An electromagnet is fixedly installed at the top of the pressure sensor. The rubidium magnet and the electromagnet repel each other by magnetic force. The tension balancing mechanism further includes a PLC controller and a control panel. The winding motor, the electromagnet, the electric lifting platform, the pressure sensor and the control panel are all electrically connected to the PLC controller.

[0008] As a further description of the above technical solution:

[0009] The side view shape of the warp fixing frame is C-shaped, and the number of warp fixing frames is at least one.

[0010] As a further description of the above technical solution:

[0011] A sliding guide rail is fixedly installed on the yarn rack. The electric lifting platform includes a sliding seat slidably installed on the sliding guide rail. A fixing screw is threadedly connected to the sliding seat. An electric push rod is fixedly installed at the top of the sliding seat. The sleeve is fixedly installed at the top of the telescopic end of the electric push rod. The electric push rod is electrically connected to the PLC controller through a wire.

[0012] As a further description of the above technical solution:

[0013] A piston ring is fixedly installed on the lifting slider. A pressure hole is formed on the sleeve. An air pressure sensor is fixedly installed inside the sleeve. The air pressure sensor is electrically connected to the PLC controller.

[0014] As a further description of the above technical solution:

[0015] The height of the fixed tension wheel is higher than that of the moving tension wheel, and the height of the winding shaft is lower than that of the moving tension wheel.

[0016] As a further description of the above technical solution:

[0017] The moving tensioner is inclined, and the direction of the moving tensioner is perpendicular to the connection line from the axis of the fixed tension wheel to the axis of the winding shaft.

[0018] As a further description of the above technical solution:

[0019] The number of the moving tensioners is at least one, and the number is the same as the number of warp beams in use.

[0020] The present invention also adopts:

[0021] A method for unwinding a beam warping machine with a tension adjusting device includes the following steps of use:

[0022] Step 1: Install the warp beams that need to be unwound by the beam warping machine on the warp beam shafts on the yarn stand respectively, lead out the warp yarn heads on the warp beams through the yarn guiding plate and sequentially bypass the fixed tension pulley, movable tension pulley and winding shaft, and fix them on the winding shaft;

[0023] Step 2: According to the distance between the movable tension pulley and the warp yarn, directly operate the control panel, and control the lifting of the electric lifting platform through the PLC controller to initially tension the warp yarn;

[0024] Step 3: Electrify the electromagnet, use the repulsive force between the electromagnet and the rubidium magnet to push the lifting slider outwards, make the movable tension pulley further contact with the warp yarn, and stop and maintain the current of the electromagnet until the repulsive force detected by the pressure sensor meets the preset value of the PLC controller;

[0025] Step 4: Start the winding motor to drive the winding shaft to rotate to wind the warp yarn. During this period, the pressure sensor continuously detects the tension of the movable tension pulley on the warp yarn, and controls and adjusts the current of the electromagnet according to its size relative to the preset value of the PLC controller to maintain a constant tension;

[0026] Step 5: The winding of the warp yarn is completed.

[0027] Compared with the prior art, the advantages of the present invention are as follows:

[0028] In the present invention, when the tension changes due to reasons such as the incoming line passing environment or the warp yarn itself factors, the supporting ability of the movable tension pulley is adjusted in real time to keep the warp yarn tension constant, avoiding the problem that the yarn tension is loose and tight, resulting in uneven tightness of the warp yarn after beam warping. Moreover, this magnetic force mechanism replaces the traditional mechanical structure, and the response to the tension change is more sensitive and reliable, making the winding quality of the warp yarn after beam warping balanced and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a front view structural schematic diagram of the present invention;

[0030] Figure 2 is a left view structural schematic diagram of the present invention;

[0031] Figure 3 is a sectional view structural schematic diagram of the movable tensiometer of the present invention;

[0032] Figure 4 is a schematic diagram of the working principle of the beam warping machine of the present invention;

[0033] Figure 5 is a schematic diagram of the working process of the beam warping machine of the present invention.

[0034] Description of reference numerals in the figure:

[0035] 1. Yarn rack; 2. Warp fixing rack; 3. Warp beam; 4. Yarn guiding plate; 5. Winding shaft; 6. Tension balancing mechanism; 61. Fixed tension pulley; 62. Movable tensiometer; 621. Electric lifting table; 6211. Slide seat; 6212. Fixed screw; 6213. Electric push rod; 622. Sleeve; 623. Lifting slider; 624. Bracket; 625. Movable tension pulley; 626. Pressure sensor; 627. Rubidium magnet; 628. Piston ring; 629. Air pressure sensor; 63. PLC controller; 64. Control panel; 7. Slide rail; 8. Rewinding motor; 9. Electromagnet. Specific implementation mode

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention;

[0037] Please refer to Figures 1-5 , in the present invention, a beam warping and unwinding machine with a tension adjusting device includes a yarn rack 1, a warp fixing rack 2 is fixedly installed on the yarn rack 1, a warp beam 3 is rotatably installed on the warp fixing rack 2, a yarn guiding plate 4 is fixedly installed on the yarn rack 1, a winding shaft 5 is rotatably installed on the yarn rack 1, a tension balancing mechanism 6 is installed on the yarn rack 1 between the yarn guiding plate 4 and the winding shaft 5, a rewinding motor 8 is fixedly installed on the yarn rack 1, and the output shaft of the rewinding motor 8 is fixedly connected to the winding shaft 5; the tension balancing mechanism 6 is composed of a fixed tension pulley 61 and a movable tensiometer 62, the movable tensiometer 62 includes an electric lifting table 621, a sleeve 622 is fixedly installed on the top of the electric lifting table 621, a lifting slider 623 is slidably installed inside the sleeve 622, a bracket 624 extending outside the sleeve 622 is fixedly installed on the top of the lifting slider 623, a movable tension pulley 625 is rotatably installed on the bracket 624, a pressure sensor 626 is fixedly installed on the inner bottom wall of the sleeve 622, a rubidium magnet 627 is fixedly installed on the bottom of the lifting slider 623, an electromagnet 9 is fixedly installed on the top of the pressure sensor 626, the rubidium magnet 627 and the electromagnet 9 repel each other by magnetic force, the tension balancing mechanism 6 further includes a PLC controller 63 and a control panel 64, the rewinding motor 8, the electromagnet 9, the electric lifting table 621, the pressure sensor 626 and the control panel 64 are all electrically connected to the PLC controller 63.

[0038] The warps are initially given a fixed tension through the fixed tension pulley 61 to provide an equal tensioning condition for all warps. Then, the energizing current of the electromagnet 9 is controlled by the PLC controller 63 and the control panel 64 to change the magnetic force of the electromagnet 9, thereby adjusting the magnitude of the repulsive force between the electromagnet 9 and the rubidium magnet 627, pushing out the lifting slider 623, bringing the movable tension pulley 625 on the bracket 624 into contact with the warps, and providing a variable tension adjustment point for the warps. When the tension changes due to reasons such as the incoming line environment or the factors of the warps themselves, the supporting ability of the movable tension pulley 625 is adjusted in real time to keep the warp tension constant, avoiding the problem that the warp tension is loose and tight, resulting in uneven tightness of the warps after beam forming. Moreover, this magnetic force mechanism replaces the traditional mechanical structure, and the response to tension changes is more sensitive and reliable, making the winding quality of the warps after beam forming balanced and stable.

[0039] The side view shape of the warp fixing frame 2 is C-shaped, and the number of warp fixing frames 2 is at least one; it can meet the requirements of multiple warp beam forming and winding, and the warp beam 3 can be adaptively selected for use according to the requirements.

[0040] A sliding guide rail 7 is fixedly installed on the yarn rack 1. The electric lifting table 621 includes a sliding seat 6211 slidably installed on the sliding guide rail 7. A fixing screw 6212 is threadedly connected to the sliding seat 6211. An electric push rod 6213 is fixedly installed on the top of the sliding seat 6211. The sleeve 622 is fixedly installed on the top of the telescopic end of the electric push rod 6213. The electric push rod 6213 is electrically connected to the PLC controller 63 through a wire;

[0041] According to the number of warps for beam forming, an appropriate number of movable tensioners 62 are correspondingly installed on the sliding guide rail 7 to meet the separate tensioning of multiple warps. When multiple warp beams are combined, by controlling the electric push rod 6213, the tensioning effect of each movable tensioner 62 is changed, reducing the inter-axis tension difference and improving the beam forming uniformity. Each warp beam is equipped with an independent tension unit to avoid mechanical linkage errors.

[0042] The height of the fixed tension pulley 61 is higher than that of the movable tension pulley 625, and the height of the winding shaft 5 is lower than that of the movable tension pulley 625; ensuring that both the fixed tension pulley 61 and the movable tension pulley 625 can be in contact with the warps.

[0043] Please refer to Figure 1 and Figure 3 , on the basis of Embodiment 1, the present invention also provides Embodiment 2:

[0044] A piston ring 628 is fixedly installed on the lifting slider 623. A pressure hole is opened on the sleeve 622. A pressure sensor 629 is fixedly installed inside the sleeve 622. The pressure sensor 629 is electrically connected to the PLC controller 63;

[0045] When the lifting slider 623 rises to a certain height, the piston ring 628 moves to the pressure hole. At this time, the air pressure inside the sleeve 622 is the same as the external air pressure, indicating that the lifting slider 623 has risen to the highest limit. If the pressure sensor 626 still detects a value, it means that the warp yarn is not broken and the magnetic mechanism cannot meet the tension adjustment requirements. The electric push rod 6213 drives the moving tension wheel 625 to rise to maintain the tension requirement. When the pressure sensor 626 has no detected value, it means that the warp yarn is broken, and the winding motor 8 stops working for unwinding and adjustment, enabling timely understanding and control of the warping state of the warp yarn.

[0046] The moving tension device 62 is inclined, and the direction of the moving tension device 62 is perpendicular to the connection line from the axis of the fixed tension wheel 61 to the axis of the winding shaft 5; applying force to the warp yarn when the moving tension device 62 is close to or equal to the vertical state facilitates the application and reduction of tension and improves the regulation ability of the tension system.

[0047] The number of the moving tension devices 62 is at least one, and the number is the same as the number of the warp beams 3 in use.

[0048] Please refer to Figures 1-5 , on the basis of Embodiment 1 and Embodiment 2, the present invention further provides Embodiment 3: A method for unwinding and using a warping machine with a tension adjusting device, including the following usage steps:

[0049] Step 1: Install the warp yarn rolls that need to be unwound by the warping machine on the warp beams 3 on the yarn stand 1 respectively, lead out the warp yarn heads on the warp yarn rolls through the yarn guiding plate 4, and sequentially bypass the fixed tension wheel 61, the moving tension wheel 625 and the winding shaft 5, and fix them on the winding shaft 5;

[0050] Step 2: According to the distance between the moving tension wheel 625 and the warp yarn, directly operate the control panel 64, and control the lifting of the electric lifting table 621 through the PLC controller 63 to initially tension the warp yarn;

[0051] Step 3: The electromagnet 9 is energized, and the lifting slider 623 is pushed outwards by the repulsive force between the electromagnet 9 and the rubidium magnet 627, so that the moving tension wheel 625 further contacts the warp yarn until the repulsive force detected by the pressure sensor 626 is the same as the preset value of the PLC controller 63, and then stop and maintain the current of the electromagnet 9;

[0052] Step 4: Start the winding motor 8 to drive the winding shaft 5 to rotate to wind the warp yarn. During this period, the pressure sensor 626 continuously detects the tension of the moving tension wheel 625 on the warp yarn, and controls and adjusts the current of the electromagnet 9 according to its size relative to the preset value of the PLC controller 63 to maintain a constant tension;

[0053] Step 5: The warp yarn winding is completed.

[0054] The above are only the preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and its improved concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A beam warping and unwinding machine with a tension adjusting device, comprising a yarn creel (1), characterized in that: A warp beam fixing frame (2) is fixedly installed on the yarn rack (1). A warp beam (3) is rotatably installed on the warp beam fixing frame (2). A yarn guiding row plate (4) is fixedly installed on the yarn rack (1). A winding shaft (5) is rotatably installed on the yarn rack (1). A tension balancing mechanism (6) is installed on the yarn rack (1) between the yarn guiding row plate (4) and the winding shaft (5). A winding motor (8) is fixedly installed on the yarn rack (1). The output shaft of the winding motor (8) is fixedly connected to the winding shaft (5). The tension balancing mechanism (6) consists of a fixed tension pulley (61) and a movable tensiometer (62). The movable tensiometer (62) includes an electric lifting table (621). A sleeve (622) is fixedly installed on the top of the electric lifting table (621). A lifting slider (623) is slidably installed inside the sleeve (622). A bracket (624) extending outside the sleeve (622) is fixedly installed on the top of the lifting slider (623). A movable tension pulley (625) is rotatably installed on the bracket (624). A pressure sensor (626) is fixedly installed on the inner bottom wall of the sleeve (622). A rubidium magnet (627) is fixedly installed on the bottom of the lifting slider (623). An electromagnet (9) is fixedly installed on the top of the pressure sensor (626). The rubidium magnet (627) and the electromagnet (9) repel each other by magnetic force. The tension balancing mechanism (6) further includes a PLC controller (63) and a control panel (64). The winding motor (8), the electromagnet (9), the electric lifting table (621), the pressure sensor (626) and the control panel (64) are all electrically connected to the PLC controller (63).

2. The unwinding of a beam splicing machine with a tension adjusting device according to claim 1, characterized in that: The side view shape of the warp beam fixing frame (2) is C-shaped, and the number of the warp beam fixing frames (2) is at least one.

3. The unwinding of a beam combining machine with a tension adjusting device according to claim 1, characterized in that: A sliding guide rail (7) is fixedly installed on the yarn rack (1). The electric lifting table (621) includes a sliding seat (6211) slidably installed on the sliding guide rail (7). A fixing screw (6212) is threadedly connected to the sliding seat (6211). An electric push rod (6213) is fixedly installed on the top of the sliding seat (6211). The sleeve (622) is fixedly installed on the top of the telescopic end of the electric push rod (6213). The electric push rod (6213) is electrically connected to the PLC controller (63) through a wire.

4. A unwinding device of a beam winding machine with a tension adjusting device according to claim 1, characterized in that: A piston ring (628) is fixedly installed on the lifting slider (623). A pressure hole is formed on the sleeve (622). An air pressure sensor (629) is fixedly installed inside the sleeve (622). The air pressure sensor (629) is electrically connected to the PLC controller (63).

5. A unwinding of a beam splicing machine with a tension adjusting device according to claim 1, characterized in that: The height of the fixed tension pulley (61) is higher than the height of the movable tension pulley (625), and the height of the winding shaft (5) is lower than the height of the movable tension pulley (625).

6. A beam drawing device of a warping machine with a tension adjusting device according to claim 1, characterized in that: The movable tensiometer (62) is inclined, and the direction of the movable tensiometer (62) is perpendicular to the connecting line from the axis of the fixed tension pulley (61) to the axis of the winding shaft (5).

7. A warping and unwinding machine with a tension adjusting device according to claim 1, characterized in that: The number of the moving tensioners (62) is at least one, and the number is the same as that of the warp beams (3) in use.

8. A method of using a unwinding device of a beam combining machine with a tension adjusting device according to any one of claims 1-7, characterized in that, It includes the following usage steps: Step 1: Install the warp yarn reels that need to be unwound by the warping machine on the warp beams (3) on the yarn rack (1) respectively, lead out the warp yarn heads on the warp yarn reels through the yarn guiding platen (4), and successively bypass the fixed tension wheel (61), the moving tension wheel (625) and the winding shaft (5), and fix them on the winding shaft (5); Step 2: According to the distance between the moving tension wheel (625) and the warp yarn, directly operate the control panel (64), and control the lifting of the electric lifting table (621) through the PLC controller (63) to initially tension the warp yarn; Step 3: The electromagnet (9) is energized, and the lifting slider (623) is pushed outwards by the repulsive force between the electromagnet (9) and the rubidium magnet (627), so that the moving tension wheel (625) further contacts the warp yarn until the repulsive force detected by the pressure sensor (626) conforms to the preset value of the PLC controller (63), then stop and maintain the current of the electromagnet (9); Step 4: Start the winding motor (8) to drive the winding shaft (5) to rotate to wind the warp yarn. During this period, the pressure sensor (626) continuously detects the tension of the moving tension wheel (625) on the warp yarn, and controls and adjusts the current of the electromagnet (9) according to its magnitude relative to the preset value of the PLC controller (63) to maintain a constant tension; Step 5: The winding of the warp yarn is completed.

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